How to play: Arrow keys: move C key: jump/swim (You can also use up or W if you enable up or W is jump) B key: read signs (You can also use up or W if you disable up or W is jump) Y key: hold/place objects Move, then turn, then jump: side somersault Touch a wall and then jump: wall jump
Now there are water physics for level 5 (mash the jump key to swim) Mediocre water music is in the OST project